Boleyn Su

• Username: 4★boleynsu
• Country:  China
• Student/Professional:Professional
• Organisation:Google
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 3

Current Ratings Graph Old Ratings Graph

1976? (-80)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 1(2020-08-17 15:00:00)

Global Rank:   435

Cheated in:   

Ratings System Update

(2020-08-17 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1976? (+32)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   435

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (3)

August Lunchtime 2013

Pairwise AND sum, Matrix, Sorting

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, CAO Stage-3, Yet Another Nice Girl, Kamehameha

August Challenge 2020 Division 1

Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

Total Problems Solved: 14